Finding the Fourth Proportional to 7,870.04, 10,860.69 and 4,513.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.04 : 10,860.69 = 4,513.05 : x
2. Step 2: Convert to fraction form
   7,870.04/10,860.69 = 4,513.05/x
3. Step 3: Cross multiply
   7,870.04x = 10,860.69 × 4,513.05
4. Step 4: Simplify right side
   7,870.04x = 49,014,837.00
5. Step 5: Solve for x
   x = 49,014,837.00/7,870.04
6. Step 6: Final answer
   x = 6,228.03